This demonstration/activity introduces students to the concept of limiting reagent in a chemical reaction. Too often, students think that one can produce more product by using larger quantities of reactants. This demonstration/activity is specifically designed to surprise students and to make them appreciate the concept of stoichiometric quantities.
Related Resources:
GRADE 5 ENERGY TRANSFORMATIONS: ELASTIC POWERED CARS
Categories: Lab/Student Activity, Lesson Plan
In this activity, students learn about engineering design by constructing elastic powered cars from everyday materials that can travel in a straight line for a distance of at least 3 meters within a... read more
Student Activity: Evolution of Paper Birds
Categories: Lab/Student Activity
This demonstration (adapted from http://www.indiana.edu/~ensiweb/lessons/origami.html where there is additional information) models the process of evolution by introducing random mutations into... read more
SYMPHONY OF LIGHT AND SOUND
Categories: Lab/Student Activity
In this inquiry activity, students will explore some properties of light and sound. Through student created models and investigations about how light and sound travel, inventions which use light and... read more